The emission continuum of electron-excited molecular hydrogen

被引:70
作者
Abgrall, H
Roueff, E
Liu, XM
Shemansky, DE
机构
[1] CNRS URA 173, F-92195 MEUDON, FRANCE
[2] CALTECH, JET PROP LAB, PASADENA, CA 91109 USA
[3] UNIV SO CALIF, DEPT AEROSP ENGN, LOS ANGELES, CA 90089 USA
关键词
ISM; molecules; methods; laboratory; molecular processes; HUBBLE-SPACE-TELESCOPE; WERNER BAND SYSTEMS; VACUUM-ULTRAVIOLET; H-2; MOLECULE; INTERSTELLAR-MOLECULES; TRANSITION MOMENTS; RYDBERG SERIES; LYMAN; SPECTRUM; IMPACT;
D O I
10.1086/304017
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The emission continua of the dissociative transitions B (1) Sigma(u)(+)-X (1) Sigma(g)(+), B' (1) Sigma(u)(+)-X (1) Sigma(g)(+), C (1) Pi(u)-X (1) Sigma(g)(+), and D (1) Pi(u)-X (1) Sigma(g)(+) of molecular hydrogen have been calculated. Synthetic spectra of H-2 are in excellent agreement with high-resolution electron-impact-induced emission spectra obtained at 100 eV. An improved calibration standard is obtained, and the dissociation yields of the Lyman and Werner continua produced by electron-impact excitation are presented.
引用
收藏
页码:557 / 566
页数:10
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